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Aims of the Trials Two distinct aims 1.to collect data on the general population 2.to collect data about individuals already identified as dyscalculic by EP/Assessor.

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Large-Scale Trials Paper-based trials Whole classes of students (FE and HE) Paper-based and electronic-based versions shown to be identical in nature This data establishes the required percentiles for the population

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Large-Scale Trials 356 students in H.E. (80 in FE) Percentiles calculated –8th percentile corresponded to a score of 84% –2nd percentile to a score of 70% on the screener low and very low thresholds, at risk of dyscalculia very low still gives a score unlikely to further reduce confidence –history of very low mathematical self-esteem